EQF-100 Tube Parametric Equalizer

Summit Audio

The Summit Audio EQF-100 is a full range passive parametric equalizer that utilizes vacuum tube technology to overcome any gain loss. Providing 4 bands of fully parametric equalization, the EQF-100 also has both high and low pass filters which can be bypassed from the signal path. The EQF-100 uses both solid state and tube technologies to produce the warm sounds associated with tubes, while providing the reliability of solid state devices. This passive tube EQ is an incredibly warm sounding and accurate equalizer, hand built in the USA to the most exacting standards.


  • 4 band equalizer
  • HP/LP filter section
  • Silent bypass switch
  • Individual bypass for each band
  • Individually tuned frequencies
  • Transformerless signal path
  • 3 year warranty*
  • Hand crafted in the U.S.A.
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